path: root/mail/mail-callbacks.c

/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* mail-ops.c: callbacks for the mail toolbar/menus */

/* 
 * Authors: 
 *  Dan Winship <danw@ximian.com>
 *  Peter Williams <peterw@ximian.com>
 *  Jeffrey Stedfast <fejj@ximian.com>
 *
 * Copyright 2000 Ximian, Inc. (www.ximian.com)
 *
 * This program is free software; you can redistribute it and/or 
 * modify it under the terms of the GNU General Public License as 
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <errno.h>
#include <time.h>
#include <libgnome/gnome-paper.h>
#include <libgnomeui/gnome-dialog.h>
#include <libgnomeui/gnome-dialog-util.h>
#include <libgnomeui/gnome-stock.h>
#include <libgnome/gnome-paper.h>
#include <libgnomeprint/gnome-print-master.h>
#include <libgnomeprint/gnome-print-master-preview.h>
#include <bonobo/bonobo-widget.h>
#include <bonobo/bonobo-socket.h>
#include <gal/e-table/e-table.h>
#include <gal/widgets/e-gui-utils.h>
#include <filter/filter-editor.h>
#include "mail.h"
#include "message-browser.h"
#include "mail-callbacks.h"
#include "mail-config.h"
#include "mail-accounts.h"
#include "mail-config-druid.h"
#include "mail-mt.h"
#include "mail-tools.h"
#include "mail-ops.h"
#include "mail-local.h"
#include "mail-search.h"
#include "mail-send-recv.h"
#include "mail-vfolder.h"
#include "mail-folder-cache.h"
#include "folder-browser.h"
#include "subscribe-dialog.h"
#include "e-messagebox.h"

/* FIXME: is there another way to do this? */
#include "Evolution.h"
#include "evolution-storage.h"

#include "evolution-shell-client.h"

#ifndef HAVE_MKSTEMP
#include <fcntl.h>
#include <sys/stat.h>
#endif

struct post_send_data {
    CamelFolder *folder;
    gchar *uid;
    guint32 flags;
};

static void
druid_destroyed (void)
{
    gtk_main_quit ();
}

static gboolean
configure_mail (FolderBrowser *fb)
{
    MailConfigDruid *druid;
    
    if (fb) {
        GtkWidget *dialog;
        
        dialog = gnome_message_box_new (
            _("You have not configured the mail client.\n"
              "You need to do this before you can send,\n"
              "receive or compose mail.\n"
              "Would you like to configure it now?"),
            GNOME_MESSAGE_BOX_QUESTION,
            GNOME_STOCK_BUTTON_YES,
            GNOME_STOCK_BUTTON_NO, NULL);
        
        /*
         * Focus YES
         */
        gnome_dialog_set_default (GNOME_DIALOG (dialog), 0);
        gtk_widget_grab_focus (GTK_WIDGET (GNOME_DIALOG (dialog)->buttons->data));
        
        gnome_dialog_set_parent (GNOME_DIALOG (dialog),
                     GTK_WINDOW (gtk_widget_get_ancestor (GTK_WIDGET (fb), GTK_TYPE_WINDOW)));
        
        switch (gnome_dialog_run_and_close (GNOME_DIALOG (dialog))) {
        case 0:
            druid = mail_config_druid_new (fb->shell);
            gtk_signal_connect (GTK_OBJECT (druid), "destroy",
                        GTK_SIGNAL_FUNC (druid_destroyed), NULL);
            gtk_widget_show (GTK_WIDGET (druid));
            gtk_grab_add (GTK_WIDGET (druid));
            gtk_main ();
            break;
        case 1:
        default:
            break;
        }
    }
    
    return mail_config_is_configured ();
}

static gboolean
check_send_configuration (FolderBrowser *fb)
{
    const MailConfigAccount *account;
    
    /* Check general */
    if (!mail_config_is_configured ()) {
        if (!configure_mail (fb))
            return FALSE;
    }
    
    /* Get the default account */
    account = mail_config_get_default_account ();
    
    /* Check for an identity */
    if (!account) {
        GtkWidget *message;
        
        message = gnome_warning_dialog_parented (_("You need to configure an identity\n"
                               "before you can compose mail."),
                             GTK_WINDOW (gtk_widget_get_ancestor (GTK_WIDGET (fb),
                                                  GTK_TYPE_WINDOW)));
        gnome_dialog_run_and_close (GNOME_DIALOG (message));
        return FALSE;
    }
    
    /* Check for a transport */
    if (!account->transport || !account->transport->url) {
        GtkWidget *message;
        
        message = gnome_warning_dialog_parented (_("You need to configure a mail transport\n"
                               "before you can compose mail."),
                             GTK_WINDOW (gtk_widget_get_ancestor (GTK_WIDGET (fb),
                                                  GTK_TYPE_WINDOW)));
        gnome_dialog_run_and_close (GNOME_DIALOG (message));
        return FALSE;
    }
    
    return TRUE;
}

#if 0
/* FIXME: is this still required when we send & receive email ?  I am not so sure ... */
static void
main_select_first_unread (CamelObject *object, gpointer event_data, gpointer data)
{
    FolderBrowser *fb = FOLDER_BROWSER (data);
    /*ETable *table = E_TABLE_SCROLLED (fb->message_list->etable)->table;*/
    
    message_list_select (fb->message_list, 0, MESSAGE_LIST_SELECT_NEXT,
                 0, CAMEL_MESSAGE_SEEN);
}

static void
select_first_unread (CamelObject *object, gpointer event_data, gpointer data)
{
    mail_op_forward_event (main_select_first_unread, object, event_data, data);
}
#endif

void
send_receive_mail (GtkWidget *widget, gpointer user_data)
{
    const MailConfigAccount *account;
    
    /* receive first then send, this is a temp fix for POP-before-SMTP */
    if (!mail_config_is_configured ()) {
        if (!configure_mail (FOLDER_BROWSER (user_data)))
            return;
    }
    
    account = mail_config_get_default_account ();
    if (!account || !account->transport) {
        GtkWidget *win = gtk_widget_get_ancestor (GTK_WIDGET (user_data), GTK_TYPE_WINDOW);
        gnome_error_dialog_parented (_("You have not set a mail transport method"), GTK_WINDOW (win));
        return;
    }
    
    mail_send_receive ();
}

static void
msgbox_destroyed (GtkWidget *widget, gpointer data)
{
    gboolean *show_again = data;
    GtkWidget *checkbox;
    
    checkbox = e_message_box_get_checkbox (E_MESSAGE_BOX (widget));
    *show_again = !gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (checkbox));
}

static gboolean
ask_confirm_for_empty_subject (EMsgComposer *composer)
{
    /* FIXME: EMessageBox should really handle this stuff
           automagically. What Miguel thinks would be nice is to pass
           in a message-id which could be used as a key in the config
           file and the value would be an int. -1 for always show or
           the button pressed otherwise. This probably means we'd have
           to write e_messagebox_run () */
    gboolean show_again = TRUE;
    GtkWidget *mbox;
    int button;
    
    if (!mail_config_get_prompt_empty_subject ())
        return TRUE;
    
    mbox = e_message_box_new (_("This message has no subject.\nReally send?"),
                  E_MESSAGE_BOX_QUESTION,
                  GNOME_STOCK_BUTTON_YES,
                  GNOME_STOCK_BUTTON_NO,
                  NULL);
    
    gtk_signal_connect (GTK_OBJECT (mbox), "destroy",
                msgbox_destroyed, &show_again);
    
    button = gnome_dialog_run_and_close (GNOME_DIALOG (mbox));
    
    mail_config_set_prompt_empty_subject (show_again);
    
    if (button == 0)
        return TRUE;
    else
        return FALSE;
}

static gboolean
ask_confirm_for_only_bcc (EMsgComposer *composer)
{
    /* FIXME: EMessageBox should really handle this stuff
           automagically. What Miguel thinks would be nice is to pass
           in a message-id which could be used as a key in the config
           file and the value would be an int. -1 for always show or
           the button pressed otherwise. This probably means we'd have
           to write e_messagebox_run () */
    gboolean show_again = TRUE;
    GtkWidget *mbox;
    int button;
    
    if (!mail_config_get_prompt_only_bcc ())
        return TRUE;
    
    mbox = e_message_box_new (_("This message contains only Bcc recipients.\nIt is "
                    "possible that the mail server may reveal the recipients "
                    "by adding an Apparently-To header.\nSend anyway?"),
                  E_MESSAGE_BOX_QUESTION,
                  GNOME_STOCK_BUTTON_YES,
                  GNOME_STOCK_BUTTON_NO,
                  NULL);
    
    gtk_signal_connect (GTK_OBJECT (mbox), "destroy",
                msgbox_destroyed, &show_again);
    
    button = gnome_dialog_run_and_close (GNOME_DIALOG (mbox));
    
    mail_config_set_prompt_only_bcc (show_again);
    
    if (button == 0)
        return TRUE;
    else
        return FALSE;
}

static void
free_psd (GtkWidget *composer, gpointer user_data)
{
    struct post_send_data *psd = user_data;
    
    if (psd->folder)
        camel_object_unref (CAMEL_OBJECT (psd->folder));
    if (psd->uid)
        g_free (psd->uid);
    g_free (psd);
}

struct _send_data {
    EMsgComposer *composer;
    struct post_send_data *psd;
};

static void
composer_sent_cb(char *uri, CamelMimeMessage *message, gboolean sent, void *data)
{
    struct _send_data *send = data;
    
    if (sent) {
        if (send->psd) {
            camel_folder_set_message_flags (send->psd->folder, send->psd->uid,
                            send->psd->flags, send->psd->flags);
        }
        gtk_widget_destroy (GTK_WIDGET (send->composer));
    } else {
        gtk_widget_show (GTK_WIDGET (send->composer));
        gtk_object_unref (GTK_OBJECT (send->composer));
    }
    
    g_free (send);
    camel_object_unref (CAMEL_OBJECT (message));
}

static CamelMimeMessage *
composer_get_message (EMsgComposer *composer)
{
    static char *recipient_type[] = {
        CAMEL_RECIPIENT_TYPE_TO,
        CAMEL_RECIPIENT_TYPE_CC,
        CAMEL_RECIPIENT_TYPE_BCC
    };
    const CamelInternetAddress *iaddr;
    const MailConfigAccount *account;
    CamelMimeMessage *message;
    const char *subject;
    int num_addrs, i;
    
    message = e_msg_composer_get_message (composer);
    if (message == NULL)
        return NULL;
    
    /* Check for recipients */
    for (num_addrs = 0, i = 0; i < 3; i++) {
        iaddr = camel_mime_message_get_recipients (message, recipient_type[i]);
        num_addrs += iaddr ? camel_address_length (CAMEL_ADDRESS (iaddr)) : 0;
    }
    
    /* I'm sensing a lack of love, er, I mean recipients. */
    if (num_addrs == 0) {
        GtkWidget *message_box;
        
        message_box = gnome_message_box_new (_("You must specify recipients in order to "
                               "send this message."),
                             GNOME_MESSAGE_BOX_WARNING,
                             GNOME_STOCK_BUTTON_OK,
                             NULL);
        
        gnome_dialog_run_and_close (GNOME_DIALOG (message_box));
        
        camel_object_unref (CAMEL_OBJECT (message));
        return NULL;
    }
    
    if (iaddr && num_addrs == camel_address_length (CAMEL_ADDRESS (iaddr))) {
        /* this means that the only recipients are Bcc's */
        if (!ask_confirm_for_only_bcc (composer)) {
            camel_object_unref (CAMEL_OBJECT (message));
            return NULL;
        }
    }

    /* Check for no subject */
    subject = camel_mime_message_get_subject (message);
    if (subject == NULL || subject[0] == '\0') {
        if (!ask_confirm_for_empty_subject (composer)) {
            camel_object_unref (CAMEL_OBJECT (message));
            return NULL;
        }
    }
    
    /* Add info about the sending account */
    account = e_msg_composer_get_preferred_account (composer);
    if (account) {
        camel_medium_set_header (CAMEL_MEDIUM (message), "X-Evolution-Account", account->name);
        camel_medium_set_header (CAMEL_MEDIUM (message), "X-Evolution-Transport", account->transport->url);
        camel_medium_set_header (CAMEL_MEDIUM (message), "X-Evolution-Fcc", account->sent_folder_uri);
    }
    
    return message;
}

void
composer_send_cb (EMsgComposer *composer, gpointer data)
{
    const MailConfigService *transport;
    CamelMimeMessage *message;
    struct post_send_data *psd = data;
    struct _send_data *send;
    
    if (!mail_config_is_configured ()) {
        GtkWidget *dialog;
        
        dialog = gnome_ok_dialog_parented (_("You must configure an account before you "
                             "can send this email."),
                           GTK_WINDOW (composer));
        gnome_dialog_run_and_close (GNOME_DIALOG (dialog));
        return;
    }
    
    message = composer_get_message (composer);
    if (!message)
        return;

    transport = mail_config_get_default_transport ();
    if (!transport)
        return;

    send = g_malloc (sizeof (*send));
    send->psd = psd;
    send->composer = composer;
    gtk_object_ref (GTK_OBJECT (composer));
    gtk_widget_hide (GTK_WIDGET (composer));
    mail_send_mail (transport->url, message, composer_sent_cb, send);
}

static void
append_mail_cleanup (CamelFolder *folder, CamelMimeMessage *msg, CamelMessageInfo *info, int ok, void *data)
{
    camel_message_info_free (info);
}

void
composer_postpone_cb (EMsgComposer *composer, gpointer data)
{
    extern CamelFolder *outbox_folder;
    CamelMimeMessage *message;
    CamelMessageInfo *info;
    struct post_send_data *psd = data;
    
    message = composer_get_message (composer);
    if (message == NULL)
        return;
    info = camel_message_info_new ();
    info->flags = CAMEL_MESSAGE_SEEN;
    
    mail_append_mail (outbox_folder, message, info, append_mail_cleanup, NULL);
    camel_object_unref (CAMEL_OBJECT (message));
    
    if (psd)
        camel_folder_set_message_flags (psd->folder, psd->uid, psd->flags, psd->flags);
    
    gtk_widget_destroy (GTK_WIDGET (composer));
}

static GtkWidget *
create_msg_composer (const char *url)
{
    const MailConfigAccount *account;
    gboolean send_html;
    EMsgComposer *composer;
    
    account   = mail_config_get_default_account ();
    send_html = mail_config_get_send_html ();
    
    composer = url ? e_msg_composer_new_from_url (url) : e_msg_composer_new ();

    if (composer) {
        e_msg_composer_set_send_html (composer, send_html);
        e_msg_composer_show_sig_file (composer);
    }

    return GTK_WIDGET (composer);
}

void
compose_msg (GtkWidget *widget, gpointer user_data)
{
    GtkWidget *composer;

    if (!check_send_configuration (FOLDER_BROWSER (user_data)))
        return;
    
    composer = create_msg_composer (NULL);
    if (!composer)
        return;
    
    gtk_signal_connect (GTK_OBJECT (composer), "send",
                GTK_SIGNAL_FUNC (composer_send_cb), NULL);
    gtk_signal_connect (GTK_OBJECT (composer), "postpone",
                GTK_SIGNAL_FUNC (composer_postpone_cb), NULL);

    gtk_widget_show (composer);
}

/* Send according to a mailto (RFC 2368) URL. */
void
send_to_url (const char *url)
{
    GtkWidget *composer;
    
    /* FIXME: no way to get folder browser? Not without
     * big pain in the ass, as far as I can tell */
    if (!check_send_configuration (NULL))
        return;
    
    composer = create_msg_composer (url);
    if (!composer)
        return;
    
    gtk_signal_connect (GTK_OBJECT (composer), "send",
                GTK_SIGNAL_FUNC (composer_send_cb), NULL);
    gtk_signal_connect (GTK_OBJECT (composer), "postpone",
                GTK_SIGNAL_FUNC (composer_postpone_cb), NULL);

    gtk_widget_show (composer);
}   

static GList *
list_add_addresses (GList *list, const CamelInternetAddress *cia, const GSList *accounts,
            GHashTable *rcpt_hash, const MailConfigAccount **me,
            const char *ignore_addr)
{
    const char *name, *addr;
    const GSList *l;
    gboolean notme;
    char *full;
    int i;
    
    for (i = 0; camel_internet_address_get (cia, i, &name, &addr); i++) {
        /* Make sure we don't want to ignore this address */
        if (!ignore_addr || g_strcasecmp (ignore_addr, addr)) {
            /* now, we format this, as if for display, but does the composer
               then use it as a real address?  If so, very broken. */
            /* we should probably pass around CamelAddresse's if thats what
               we mean */
            full = camel_internet_address_format_address (name, addr);
            
            /* Here I'll check to see if the cc:'d address is the address
               of the sender, and if so, don't add it to the cc: list; this
               is to fix Bugzilla bug #455. */
            notme = TRUE;
            l = accounts;
            while (l) {
                const MailConfigAccount *acnt = l->data;
                
                if (!strcmp (acnt->id->address, addr)) {
                    notme = FALSE;
                    if (me && !*me)
                        *me = acnt;
                    break;
                }
                
                l = l->next;
            }
            
            if (notme && !g_hash_table_lookup (rcpt_hash, addr)) {
                g_hash_table_insert (rcpt_hash, (char *) addr, GINT_TO_POINTER (1));
                list = g_list_append (list, full);
            } else
                g_free (full);
        }
    }
    
    return list;
}

static const MailConfigAccount *
guess_me (const CamelInternetAddress *to, const CamelInternetAddress *cc, const GSList *accounts)
{
    const char *name, *addr;
    const GSList *l;
    gboolean notme;
    char *full;
    int i;
    
    if (to) {
        for (i = 0; camel_internet_address_get (to, i, &name, &addr); i++) {
            full = camel_internet_address_format_address (name, addr);
            l = accounts;
            while (l) {
                const MailConfigAccount *acnt = l->data;
                
                if (!strcmp (acnt->id->address, addr)) {
                    notme = FALSE;
                    return acnt;
                }
                
                l = l->next;
            }
        }
    }
    
    if (cc) {
        for (i = 0; camel_internet_address_get (cc, i, &name, &addr); i++) {
            full = camel_internet_address_format_address (name, addr);
            l = accounts;
            while (l) {
                const MailConfigAccount *acnt = l->data;
                
                if (!strcmp (acnt->id->address, addr)) {
                    notme = FALSE;
                    return acnt;
                }
                
                l = l->next;
            }
        }
    }
    
    return NULL;
}

static void
free_recipients (GList *list)
{
    GList *l;
    
    for (l = list; l; l = l->next)
        g_free (l->data);
    g_list_free (list);
}

static EMsgComposer *
mail_generate_reply (CamelFolder *folder, CamelMimeMessage *message, const char *uid, int mode)
{
    const CamelInternetAddress *reply_to, *sender, *to_addrs, *cc_addrs;
    const char *name = NULL, *address = NULL, *source = NULL;
    const char *message_id, *references, *reply_addr = NULL;
    char *text, *subject, *date_str;
    const MailConfigAccount *me;
    const GSList *accounts = NULL;
    GList *to = NULL, *cc = NULL;
    EMsgComposer *composer;
    time_t date;
    int offset;
    
    source = camel_mime_message_get_source (message);
    me = mail_config_get_account_by_source_url (source);

    composer = e_msg_composer_new_with_sig_file ();
    if (!composer)
        return NULL;
    
    /* FIXME: should probably use a shorter date string */
    sender = camel_mime_message_get_from (message);
    camel_internet_address_get (sender, 0, &name, &address);
    date = camel_mime_message_get_date (message, &offset);
    date_str = header_format_date (date, offset);
    text = mail_tool_quote_message (message, _("On %s, %s wrote:"), date_str, name && *name ? name : address);
    g_free (date_str);
    
    if (text) {
        e_msg_composer_set_body_text (composer, text);
        g_free (text);
    }
    
    /* Set the recipients */
    accounts = mail_config_get_accounts ();
    
    if (mode == REPLY_LIST) {
        CamelMessageInfo *info;
        const char *mlist;
        int i, max, len;
        
        info = camel_folder_get_message_info (folder, uid);
        mlist = camel_message_info_mlist (info);
        
        if (mlist) {
            /* look through the recipients to find the *real* mailing list address */
            len = strlen (mlist);
            
            to_addrs = camel_mime_message_get_recipients (message, CAMEL_RECIPIENT_TYPE_TO);
            max = camel_address_length (CAMEL_ADDRESS (to_addrs));
            for (i = 0; i < max; i++) {
                camel_internet_address_get (to_addrs, i, NULL, &address);
                if (!g_strncasecmp (address, mlist, len))
                    break;
            }
            
            if (i == max) {
                cc_addrs = camel_mime_message_get_recipients (message, CAMEL_RECIPIENT_TYPE_CC);
                max = camel_address_length (CAMEL_ADDRESS (cc_addrs));
                for (i = 0; i < max; i++) {
                    camel_internet_address_get (cc_addrs, i, NULL, &address);
                    if (!g_strncasecmp (address, mlist, len))
                        break;
                }
            }
            
            /* We only want to reply to the list address - if it even exists */
            to = address && i != max ? g_list_append (to, g_strdup (address)) : to;
        }
    } else {
        GHashTable *rcpt_hash;
        
        rcpt_hash = g_hash_table_new (g_str_hash, g_str_equal);
        
        reply_to = camel_mime_message_get_reply_to (message);
        if (!reply_to)
            reply_to = camel_mime_message_get_from (message);
        if (reply_to) {
            /* Get the Reply-To address so we can ignore references to it in the Cc: list */
            if (camel_internet_address_get (reply_to, 0, NULL, &reply_addr)) {
                g_hash_table_insert (rcpt_hash, (char *) reply_addr, GINT_TO_POINTER (1));
                to = g_list_append (to, camel_address_format (CAMEL_ADDRESS (reply_to)));
            }
        }
        
        to_addrs = camel_mime_message_get_recipients (message, CAMEL_RECIPIENT_TYPE_TO);
        cc_addrs = camel_mime_message_get_recipients (message, CAMEL_RECIPIENT_TYPE_CC);
        
        if (mode == REPLY_ALL) {
            cc = list_add_addresses (cc, to_addrs, accounts, rcpt_hash, &me, NULL);
            cc = list_add_addresses (cc, cc_addrs, accounts, rcpt_hash, me ? NULL : &me, reply_addr);
        } else if (me == NULL) {
            me = guess_me (to_addrs, cc_addrs, accounts);
        }
        
        g_hash_table_destroy (rcpt_hash);
    }
    
    /* Set the subject of the new message. */
    subject = (char *)camel_mime_message_get_subject (message);
    if (!subject)
        subject = g_strdup ("");
    else {
        if (!g_strncasecmp (subject, "Re: ", 4))
            subject = g_strdup (subject);
        else
            subject = g_strdup_printf ("Re: %s", subject);
    }
    
    e_msg_composer_set_headers (composer, me ? me->name : NULL, to, cc, NULL, subject);
    free_recipients (to);
    free_recipients (cc);
    g_free (subject);
    
    /* Add In-Reply-To and References. */
    message_id = camel_medium_get_header (CAMEL_MEDIUM (message), "Message-Id");
    references = camel_medium_get_header (CAMEL_MEDIUM (message), "References");
    if (message_id) {
        char *reply_refs;
        
        e_msg_composer_add_header (composer, "In-Reply-To", message_id);
        
        if (references)
            reply_refs = g_strdup_printf ("%s %s", references, message_id);
        else
            reply_refs = g_strdup (message_id);
        
        e_msg_composer_add_header (composer, "References", reply_refs);
        g_free (reply_refs);
    } else if (references) {
        e_msg_composer_add_header (composer, "References", references);
    }
    
    return composer;
}

static void
requeue_mail_reply(CamelFolder *folder, char *uid, CamelMimeMessage *msg, void *data)
{
    int mode = GPOINTER_TO_INT(data);

    mail_reply(folder, msg, uid, mode);
}

void
mail_reply (CamelFolder *folder, CamelMimeMessage *msg, const char *uid, int mode)
{
    EMsgComposer *composer;
    struct post_send_data *psd;
    
    g_return_if_fail (folder != NULL);
    g_return_if_fail (uid != NULL);
    
    if (!msg) {
        mail_get_message (folder, uid, requeue_mail_reply,
                  GINT_TO_POINTER(mode), mail_thread_new);
        return;
    }

    psd = g_new (struct post_send_data, 1);
    psd->folder = folder;
    camel_object_ref (CAMEL_OBJECT (psd->folder));
    psd->uid = g_strdup (uid);
    psd->flags = CAMEL_MESSAGE_ANSWERED;
    
    composer = mail_generate_reply (folder, msg, uid, mode);
    if (!composer)
        return;
    
    gtk_signal_connect (GTK_OBJECT (composer), "send",
                GTK_SIGNAL_FUNC (composer_send_cb), psd);
    gtk_signal_connect (GTK_OBJECT (composer), "postpone",
                GTK_SIGNAL_FUNC (composer_postpone_cb), psd);
    gtk_signal_connect (GTK_OBJECT (composer), "destroy",
                GTK_SIGNAL_FUNC (free_psd), psd);
    
    gtk_widget_show (GTK_WIDGET (composer));    
    e_msg_composer_unset_changed (composer);
}

void
reply_to_sender (GtkWidget *widget, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    
    if (!check_send_configuration (fb))
        return;
    
    mail_reply (fb->folder, fb->mail_display->current_message, 
            fb->message_list->cursor_uid, REPLY_SENDER);
}

void
reply_to_list (GtkWidget *widget, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    
    if (!check_send_configuration (fb))
        return;
    
    mail_reply (fb->folder, fb->mail_display->current_message, 
            fb->message_list->cursor_uid, REPLY_LIST);
}

void
reply_to_all (GtkWidget *widget, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    
    if (!check_send_configuration (fb))
        return;
    
    mail_reply (fb->folder, fb->mail_display->current_message, 
            fb->message_list->cursor_uid, REPLY_ALL);
}

void
enumerate_msg (MessageList *ml, const char *uid, gpointer data)
{
    g_ptr_array_add ((GPtrArray *) data, g_strdup (uid));
}


static EMsgComposer *
forward_get_composer (const char *subject)
{
    const MailConfigAccount *account;
    EMsgComposer *composer;
    
    account  = mail_config_get_default_account ();
    composer = e_msg_composer_new_with_sig_file ();
    if (composer) {
        gtk_signal_connect (GTK_OBJECT (composer), "send",
                    GTK_SIGNAL_FUNC (composer_send_cb), NULL);
        gtk_signal_connect (GTK_OBJECT (composer), "postpone",
                    GTK_SIGNAL_FUNC (composer_postpone_cb), NULL);
        e_msg_composer_set_headers (composer, account->name, NULL, NULL, NULL, subject);
    } else {
        g_warning("Could not create composer");
    }
    
    return composer;
}

static void
do_forward_non_attached (CamelFolder *folder, char *uid, CamelMimeMessage *message, void *data)
{
    char *subject;
    char *text;
    
    if (!message)
        return;

    subject = mail_tool_generate_forward_subject (message);
    if (GPOINTER_TO_INT (data) == MAIL_CONFIG_FORWARD_INLINE)
        text = mail_tool_forward_message (message);
    else
        text = mail_tool_quote_message (message, _("Forwarded message:\n"));

    if (text) {
        EMsgComposer *composer = forward_get_composer (subject);
        if (composer) {
            e_msg_composer_set_body_text (composer, text);
            gtk_widget_show (GTK_WIDGET (composer));
            e_msg_composer_unset_changed (composer);
        }
        g_free (text);
    }

    g_free (subject);
}

static void
forward_message (FolderBrowser *fb, MailConfigForwardStyle style)
{
    if (!fb->message_list->cursor_uid)
        return;
    if (!check_send_configuration (fb))
        return;

    mail_get_message (fb->folder, fb->message_list->cursor_uid,
              do_forward_non_attached, GINT_TO_POINTER (style),
              mail_thread_new);
}

void
forward_inline (GtkWidget *widget, gpointer user_data)
{
    forward_message (user_data, MAIL_CONFIG_FORWARD_INLINE);
}

void
forward_quoted (GtkWidget *widget, gpointer user_data)
{
    forward_message (user_data, MAIL_CONFIG_FORWARD_QUOTED);
}

static void
do_forward_attach (CamelFolder *folder, GPtrArray *messages, CamelMimePart *part, char *subject, void *data)
{
    if (part) {
        EMsgComposer *composer = forward_get_composer (subject);
        if (composer) {
            e_msg_composer_attach (composer, part);
            gtk_widget_show (GTK_WIDGET (composer));
            e_msg_composer_unset_changed (composer);
        }
    }
}

void
forward_attached (GtkWidget *widget, gpointer user_data)
{
    GPtrArray *uids;
    FolderBrowser *fb = (FolderBrowser *)user_data;
    
    if (!check_send_configuration (fb))
        return;
    
    uids = g_ptr_array_new ();
    message_list_foreach (fb->message_list, enumerate_msg, uids);
    mail_build_attachment (fb->message_list->folder, uids, do_forward_attach, NULL);
}

void
forward (GtkWidget *widget, gpointer user_data)
{
    MailConfigForwardStyle style = mail_config_get_default_forward_style ();

    if (style == MAIL_CONFIG_FORWARD_ATTACHED)
        forward_attached (widget, user_data);
    else
        forward_message (user_data, style);
}

static void
transfer_msg (GtkWidget *widget, gpointer user_data, gboolean delete_from_source)
{
    FolderBrowser *fb = user_data;
    MessageList *ml = fb->message_list;
    GPtrArray *uids;
    char *uri, *physical, *path;
    char *desc;
    const char *allowed_types[] = { "mail", /*"vtrash",*/ NULL };
    extern EvolutionShellClient *global_shell_client;
    static char *last = NULL;
    
    if (last == NULL)
        last = g_strdup ("");
    
    if (delete_from_source)
        desc = _("Move message(s) to");
    else
        desc = _("Copy message(s) to");
    
    evolution_shell_client_user_select_folder (global_shell_client, desc, last,
                           allowed_types, &uri, &physical);
    if (!uri)
        return;
    
    path = strchr (uri, '/');
    if (path && strcmp (last, path) != 0) {
        g_free (last);
        last = g_strdup (path);
    }
    g_free (uri);
    
    uids = g_ptr_array_new ();
    message_list_foreach (ml, enumerate_msg, uids);
    mail_transfer_messages (ml->folder, uids, delete_from_source,
                physical, NULL, NULL);
}

void
move_msg (GtkWidget *widget, gpointer user_data)
{
    transfer_msg (widget, user_data, TRUE);
}

void
copy_msg (GtkWidget *widget, gpointer user_data)
{
    transfer_msg (widget, user_data, FALSE);
}

/* Copied from e-shell-view.c */
static GtkWidget *
find_socket (GtkContainer *container)
{
        GList *children, *tmp;

        children = gtk_container_children (container);
        while (children) {
                if (BONOBO_IS_SOCKET (children->data))
                        return children->data;
                else if (GTK_IS_CONTAINER (children->data)) {
                        GtkWidget *socket = find_socket (children->data);
                        if (socket)
                                return socket;
                }
                tmp = children->next;
                g_list_free_1 (children);
                children = tmp;
        }
        return NULL;
}

void
addrbook_sender (GtkWidget *widget, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    CamelMimeMessage *msg = NULL;
    const CamelInternetAddress *addr;
    gchar *addr_str;
    GtkWidget *win;
    GtkWidget *control;
    GtkWidget *socket;

    if (fb && fb->mail_display)
        msg = fb->mail_display->current_message;

    if (msg == NULL)
        return;

    addr = camel_mime_message_get_from (msg);
    if (addr == NULL)
        return;

    addr_str = camel_address_format (CAMEL_ADDRESS (addr));

    win = gtk_window_new (GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title (GTK_WINDOW (win), _("Sender"));

    control = bonobo_widget_new_control ("OAFIID:GNOME_Evolution_Addressbook_AddressPopup",
                         CORBA_OBJECT_NIL);
    bonobo_widget_set_property (BONOBO_WIDGET (control),
                    "email", addr_str,
                    NULL);

    socket = find_socket (GTK_CONTAINER (control));
    gtk_signal_connect_object (GTK_OBJECT (socket),
                   "destroy",
                   GTK_SIGNAL_FUNC (gtk_widget_destroy),
                   GTK_OBJECT (win));

    gtk_container_add (GTK_CONTAINER (win), control);
    gtk_widget_show_all (win);
}

void
apply_filters (GtkWidget *widget, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
        MessageList *ml = fb->message_list;
    GPtrArray *uids;
    
    uids = g_ptr_array_new ();
    message_list_foreach (ml, enumerate_msg, uids);

    mail_filter_on_demand(fb->folder, uids);
}

void
select_all (BonoboUIComponent *uih, void *user_data, const char *path)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
        MessageList *ml = fb->message_list;
    ESelectionModel *etsm = e_tree_get_selection_model (ml->tree);

    if (ml->folder == NULL)
        return;

    e_selection_model_select_all (etsm);
}

/* Thread selection */

typedef struct thread_select_info {
    MessageList *ml;
    GPtrArray *paths;
} thread_select_info_t;

static gboolean
select_node (ETreeModel *tm, ETreePath path, gpointer user_data)
{
    thread_select_info_t *tsi = (thread_select_info_t *) user_data;

    g_ptr_array_add (tsi->paths, path);
    return FALSE; /*not done yet*/
}

static void
thread_select_foreach (ETreePath path, gpointer user_data)
{
    thread_select_info_t *tsi = (thread_select_info_t *) user_data;
    ETreeModel *tm = tsi->ml->model;
    ETreePath node;

    /* @path part of the initial selection. If it has children,
     * we select them as well. If it doesn't, we select its siblings and
     * their children (ie, the current node must be inside the thread
     * that the user wants to mark.
     */

    if (e_tree_model_node_get_first_child (tm, path)) 
        node = path;
    else {
        node = e_tree_model_node_get_parent (tm, path);

        /* Let's make an exception: if no parent, then we're about
         * to mark the whole tree. No. */
        if (e_tree_model_node_is_root (tm, node)) 
            node = path;
    }

    e_tree_model_node_traverse (tm, node, select_node, tsi);
}

void
select_thread (BonoboUIComponent *uih, void *user_data, const char *path)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
        MessageList *ml = fb->message_list;
    ETreeSelectionModel *selection_model;
    thread_select_info_t tsi;
    int i;

    if (ml->folder == NULL)
        return;

    /* For every selected item, select the thread containing it.
     * We can't alter the selection while iterating through it,
     * so build up a list of paths.
     */

    tsi.ml = ml;
    tsi.paths = g_ptr_array_new ();

    e_tree_selected_path_foreach (ml->tree, thread_select_foreach, &tsi);

    selection_model = E_TREE_SELECTION_MODEL (e_tree_get_selection_model (ml->tree));

    for (i = 0; i < tsi.paths->len; i++)
        e_tree_selection_model_add_to_selection (selection_model,
                             tsi.paths->pdata[i]);
    g_ptr_array_free (tsi.paths, TRUE);
}

void
invert_selection (BonoboUIComponent *uih, void *user_data, const char *path)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
        MessageList *ml = fb->message_list;
    ESelectionModel *etsm = e_tree_get_selection_model (ml->tree);

    if (ml->folder == NULL)
        return;

    e_selection_model_invert_selection (etsm);
}

/* flag all selected messages. Return number flagged */
static int
flag_messages(FolderBrowser *fb, guint32 mask, guint32 set)
{
        MessageList *ml = fb->message_list;
    GPtrArray *uids;
    int i;
    
    if (ml->folder == NULL)
        return 0;
    
    /* could just use specific callback but i'm lazy */
    uids = g_ptr_array_new ();
    message_list_foreach (ml, enumerate_msg, uids);
    camel_folder_freeze (ml->folder);
    for (i = 0; i < uids->len; i++) {
        camel_folder_set_message_flags (ml->folder, uids->pdata[i], mask, set);
        g_free (uids->pdata[i]);
    }
    camel_folder_thaw (ml->folder);
    
    g_ptr_array_free (uids, TRUE);

    return i;
}

static int
toggle_flags (FolderBrowser *fb, guint32 mask)
{
        MessageList *ml = fb->message_list;
    GPtrArray *uids;
    int i;
    
    if (ml->folder == NULL)
        return 0;
    
    /* could just use specific callback but i'm lazy */
    uids = g_ptr_array_new ();
    message_list_foreach (ml, enumerate_msg, uids);
    camel_folder_freeze (ml->folder);
    for (i = 0; i < uids->len; i++) {
        gint flags;

        flags = camel_folder_get_message_flags (ml->folder, uids->pdata[i]);

        if (flags & mask)
            camel_folder_set_message_flags (ml->folder, uids->pdata[i], mask, 0);
        else {
            if ((mask & CAMEL_MESSAGE_FLAGGED) && (flags & CAMEL_MESSAGE_DELETED))
                camel_folder_set_message_flags (ml->folder, uids->pdata[i], CAMEL_MESSAGE_DELETED, 0);
            camel_folder_set_message_flags (ml->folder, uids->pdata[i], mask, mask);
        }
        
        g_free (uids->pdata[i]);
    }
    camel_folder_thaw (ml->folder);
    
    g_ptr_array_free (uids, TRUE);

    return i;
}

void
mark_as_seen (BonoboUIComponent *uih, void *user_data, const char *path)
{
    flag_messages (FOLDER_BROWSER (user_data), CAMEL_MESSAGE_SEEN, CAMEL_MESSAGE_SEEN);
}

void
mark_as_unseen (BonoboUIComponent *uih, void *user_data, const char *path)
{
    flag_messages (FOLDER_BROWSER (user_data), CAMEL_MESSAGE_SEEN, 0);
}

void
mark_all_as_seen (BonoboUIComponent *uih, void *user_data, const char *path)
{
    select_all (uih, user_data, path);
    flag_messages (FOLDER_BROWSER (user_data), CAMEL_MESSAGE_SEEN, CAMEL_MESSAGE_SEEN);
}

void
mark_as_important (BonoboUIComponent *uih, void *user_data, const char *path)
{
    flag_messages (FOLDER_BROWSER (user_data), CAMEL_MESSAGE_DELETED, 0);
    flag_messages (FOLDER_BROWSER (user_data), CAMEL_MESSAGE_FLAGGED, CAMEL_MESSAGE_FLAGGED);
}

void
toggle_as_important (BonoboUIComponent *uih, void *user_data, const char *path)
{
    toggle_flags (FOLDER_BROWSER (user_data), CAMEL_MESSAGE_FLAGGED);
}

static void
do_edit_messages(CamelFolder *folder, GPtrArray *uids, GPtrArray *messages, void *data)
{
    /*FolderBrowser *fb = data;*/
    int i;
    
    for (i = 0; i < messages->len; i++) {
        EMsgComposer *composer;

        composer = e_msg_composer_new_with_message (messages->pdata[i]);

        if (composer) {
            gtk_signal_connect (GTK_OBJECT (composer), "send",
                        composer_send_cb, NULL);
            gtk_signal_connect (GTK_OBJECT (composer), "postpone",
                        composer_postpone_cb, NULL);

            gtk_widget_show (GTK_WIDGET (composer));
        }
    }
}

static gboolean
are_you_sure (const char *msg, GPtrArray *uids, FolderBrowser *fb)
{
    GtkWidget *window = gtk_widget_get_ancestor (GTK_WIDGET (fb), GTK_TYPE_WINDOW);
    GtkWidget *dialog;
    char *buf;
    int button, i;

    buf = g_strdup_printf (msg, uids->len);
    dialog = gnome_ok_cancel_dialog_parented (buf, NULL, NULL, (GtkWindow *)window);
    button = gnome_dialog_run_and_close (GNOME_DIALOG (dialog));
    if (button != 0) {
        for (i = 0; i < uids->len; i++)
            g_free (uids->pdata[i]);
        g_ptr_array_free (uids, TRUE);
    }

    return button == 0;
}

static void
edit_msg_internal (FolderBrowser *fb)
{
    GPtrArray *uids;
    
    if (!check_send_configuration (fb))
        return;
    
    uids = g_ptr_array_new ();
    message_list_foreach (fb->message_list, enumerate_msg, uids);
    
    if (uids->len > 10 && !are_you_sure (_("Are you sure you want to edit all %d messages?"), uids, fb)) {
        int i;
        
        for (i = 0; i < uids->len; i++)
            g_free (uids->pdata[i]);
        
        g_ptr_array_free (uids, TRUE);
        
        return;
    }

    mail_get_messages (fb->folder, uids, do_edit_messages, fb);
}

void
edit_msg (GtkWidget *widget, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    
    if (!folder_browser_is_drafts (fb)) {
        GtkWidget *message;
        
        message = gnome_warning_dialog (_("You may only edit messages saved\n"
                          "in the Drafts folder."));
        gnome_dialog_run_and_close (GNOME_DIALOG (message));
        return;
    }
    
    edit_msg_internal (fb);
}

static void
do_resend_messages (CamelFolder *folder, GPtrArray *uids, GPtrArray *messages, void *data)
{
    int i;
    
    for (i = 0; i < messages->len; i++) {
        /* generate a new Message-Id because they need to be unique */
        camel_mime_message_set_message_id (messages->pdata[i], NULL);
    }
    
    /* "Resend" should open up the composer to let the user edit the message */
    do_edit_messages (folder, uids, messages, data);
}



void
resend_msg (GtkWidget *widget, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    GPtrArray *uids;
    
    if (!folder_browser_is_sent (fb)) {
        GtkWidget *message;
        
        message = gnome_warning_dialog (_("You may only resend messages\n"
                          "in the Sent folder."));
        gnome_dialog_run_and_close (GNOME_DIALOG (message));
        return;
    }
    
    if (!check_send_configuration (fb))
        return;
    
    uids = g_ptr_array_new ();
    message_list_foreach (fb->message_list, enumerate_msg, uids);
    
    if (uids->len > 10 && !are_you_sure (_("Are you sure you want to resend all %d messages?"), uids, fb)) {
        int i;
        
        for (i = 0; i < uids->len; i++)
            g_free (uids->pdata[i]);
        
        g_ptr_array_free (uids, TRUE);
        
        return;
    }
    
    mail_get_messages (fb->folder, uids, do_resend_messages, fb);
}

void
search_msg (GtkWidget *widget, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    GtkWidget *w;

    if (fb->mail_display->current_message == NULL) {
        gtk_widget_show_all (gnome_warning_dialog (_("No Message Selected")));
        return;
    }

    w = mail_search_new (fb->mail_display);
    gtk_widget_show_all (w);
}

void
load_images (GtkWidget *widget, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);

    mail_display_load_images (fb->mail_display);
}

static void
save_msg_ok (GtkWidget *widget, gpointer user_data)
{
    CamelFolder *folder;
    GPtrArray *uids;
    char *path;
    int fd, ret = 0;
    
    /* FIXME: is path an allocated string? */
    path = gtk_file_selection_get_filename (GTK_FILE_SELECTION (user_data));
    
        fd = open (path, O_RDONLY);
    if (fd != -1) {
        GtkWidget *dlg;
        GtkWidget *text;
        
        close (fd);
        
        dlg = gnome_dialog_new (_("Overwrite file?"),
                    GNOME_STOCK_BUTTON_YES, 
                    GNOME_STOCK_BUTTON_NO,
                    NULL);
        text = gtk_label_new (_("A file by that name already exists.\nOverwrite it?"));
        gtk_box_pack_start (GTK_BOX (GNOME_DIALOG (dlg)->vbox), text, TRUE, TRUE, 4);
        gtk_window_set_policy (GTK_WINDOW (dlg), FALSE, TRUE, FALSE);
        gtk_widget_show (text);
        
        ret = gnome_dialog_run_and_close (GNOME_DIALOG (dlg));
    }
    
    if (ret == 0) {
        folder = gtk_object_get_data (GTK_OBJECT (user_data), "folder");
        uids = gtk_object_get_data (GTK_OBJECT (user_data), "uids");
        gtk_object_remove_no_notify (GTK_OBJECT (user_data), "uids");
        mail_save_messages (folder, uids, path, NULL, NULL);
        gtk_widget_destroy (GTK_WIDGET (user_data));
    }
}

static void
save_msg_destroy (gpointer user_data)
{
    GPtrArray *uids = user_data;
    
    if (uids) {
        int i;
        
        for (i = 0; i < uids->len; i++)
            g_free (uids->pdata[i]);
        
        g_ptr_array_free (uids, TRUE);
    }
}

void
save_msg (GtkWidget *widget, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    GtkFileSelection *filesel;
    GPtrArray *uids;
    char *title, *path;
    
    uids = g_ptr_array_new ();
    message_list_foreach (fb->message_list, enumerate_msg, uids);
    
    if (uids->len == 1)
        title = _("Save Message As...");
    else
        title = _("Save Messages As...");
    
    filesel = GTK_FILE_SELECTION (gtk_file_selection_new (title));
    path = g_strdup_printf ("%s/", g_get_home_dir ());
    gtk_file_selection_set_filename (filesel, path);
    g_free (path);
    gtk_object_set_data_full (GTK_OBJECT (filesel), "uids", uids, save_msg_destroy);
    gtk_object_set_data (GTK_OBJECT (filesel), "folder", fb->folder);
    gtk_signal_connect (GTK_OBJECT (filesel->ok_button),
                "clicked", GTK_SIGNAL_FUNC (save_msg_ok), filesel);
    gtk_signal_connect_object (GTK_OBJECT (filesel->cancel_button),
                   "clicked", GTK_SIGNAL_FUNC (gtk_widget_destroy),
                   GTK_OBJECT (filesel));
    
    gtk_widget_show (GTK_WIDGET (filesel));
}

void
delete_msg (GtkWidget *button, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    int deleted, row;

    deleted = flag_messages (fb, CAMEL_MESSAGE_DELETED | CAMEL_MESSAGE_SEEN,
                 CAMEL_MESSAGE_DELETED | CAMEL_MESSAGE_SEEN);

    /* Select the next message if we are only deleting one message */
    if (deleted == 1) {
        row = e_tree_row_of_node (fb->message_list->tree,
                      e_tree_get_cursor (fb->message_list->tree));
        message_list_select (fb->message_list, row, MESSAGE_LIST_SELECT_NEXT,
                     0, 0);
    }
}

void
undelete_msg (GtkWidget *button, gpointer user_data)
{
    flag_messages (FOLDER_BROWSER (user_data), CAMEL_MESSAGE_DELETED, 0);
}

void
next_msg (GtkWidget *button, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    int row;
    
    row = e_tree_row_of_node (fb->message_list->tree, e_tree_get_cursor (fb->message_list->tree));
    message_list_select (fb->message_list, row, MESSAGE_LIST_SELECT_NEXT, 0, 0);
}

void
next_unread_msg (GtkWidget *button, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    int row;
    
    row = e_tree_row_of_node (fb->message_list->tree, e_tree_get_cursor (fb->message_list->tree));
    message_list_select (fb->message_list, row,
                 MESSAGE_LIST_SELECT_NEXT,
                 0, CAMEL_MESSAGE_SEEN);
}

void
next_flagged_msg (GtkWidget *button, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    int row;
    
    row = e_tree_row_of_node (fb->message_list->tree, e_tree_get_cursor (fb->message_list->tree));
    message_list_select (fb->message_list, row,
                 MESSAGE_LIST_SELECT_NEXT,
                 CAMEL_MESSAGE_FLAGGED, CAMEL_MESSAGE_FLAGGED);
}

void
previous_msg (GtkWidget *button, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    int row;
    
    row = e_tree_row_of_node (fb->message_list->tree, e_tree_get_cursor (fb->message_list->tree));
    message_list_select (fb->message_list, row, MESSAGE_LIST_SELECT_PREVIOUS, 0, 0);
}

void
previous_unread_msg (GtkWidget *button, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    int row;
    
    row = e_tree_row_of_node (fb->message_list->tree, e_tree_get_cursor (fb->message_list->tree));
    message_list_select (fb->message_list, row,
                 MESSAGE_LIST_SELECT_PREVIOUS,
                 0, CAMEL_MESSAGE_SEEN);
}

void
previous_flagged_msg (GtkWidget *button, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    int row;
    
    row = e_tree_row_of_node (fb->message_list->tree, e_tree_get_cursor (fb->message_list->tree));
    message_list_select (fb->message_list, row,
                 MESSAGE_LIST_SELECT_PREVIOUS,
                 CAMEL_MESSAGE_FLAGGED, CAMEL_MESSAGE_FLAGGED);
}

struct _expunged_folder_data {
    FolderBrowser *fb;
    gboolean hidedeleted;
};

static void
expunged_folder (CamelFolder *f, void *data)
{
    FolderBrowser *fb = ((struct _expunged_folder_data *) data)->fb;
    gboolean hidedeleted = ((struct _expunged_folder_data *) data)->hidedeleted;
    
    fb->expunging = NULL;
    message_list_set_hidedeleted (fb->message_list, hidedeleted);
    
    g_free (data);
}

void
expunge_folder (BonoboUIComponent *uih, void *user_data, const char *path)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    
    if (fb->folder && (fb->expunging == NULL || fb->folder != fb->expunging)) {
        struct _expunged_folder_data *data;
        CamelMessageInfo *info;
        
        data = g_malloc (sizeof (*data));
        data->fb = fb;
        data->hidedeleted = fb->message_list->hidedeleted;
        
        /* hide the deleted messages so user can't click on them while we expunge */
        message_list_set_hidedeleted (fb->message_list, TRUE);
        
        /* Only blank the mail display if the message being
                   viewed is one of those to be expunged */
        if (fb->loaded_uid) {
            info = camel_folder_get_message_info (fb->folder, fb->loaded_uid);
            
            if (info && info->flags & CAMEL_MESSAGE_DELETED)
                mail_display_set_message (fb->mail_display, NULL);
        }
        
        fb->expunging = fb->folder;
        mail_expunge_folder (fb->folder, expunged_folder, data);
    }
}

/********************** Begin Filter Editor ********************/

static GtkWidget *filter_editor = NULL;

static void
filter_editor_destroy (GtkWidget *dialog, gpointer user_data)
{
    filter_editor = NULL;
}

static void
filter_editor_clicked (GtkWidget *dialog, int button, FolderBrowser *fb)
{
    FilterContext *fc;
    
    if (button == 0) {
        char *user;
        
        fc = gtk_object_get_data (GTK_OBJECT (dialog), "context");
        user = g_strdup_printf ("%s/filters.xml", evolution_dir);
        rule_context_save ((RuleContext *)fc, user);
        g_free (user);
    }
    
    if (button != -1) {
        gnome_dialog_close (GNOME_DIALOG (dialog));
    }
}

static const char *filter_source_names[] = {
    "incoming",
    "outgoing",
    NULL,
};

void
filter_edit (BonoboUIComponent *uih, void *user_data, const char *path)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    FilterContext *fc;
    char *user, *system;
    
    if (filter_editor) {
        /* FIXME: raise the filter_editor dialog? */
        return;
    }
    
    fc = filter_context_new ();
    user = g_strdup_printf ("%s/filters.xml", evolution_dir);
    system = EVOLUTION_DATADIR "/evolution/filtertypes.xml";
    rule_context_load ((RuleContext *)fc, system, user);
    g_free (user);
    
    if (((RuleContext *)fc)->error) {
        GtkWidget *dialog;
        gchar *err;
        
        err = g_strdup_printf (_("Error loading filter information:\n%s"),
                       ((RuleContext *)fc)->error);
        dialog = gnome_warning_dialog (err);
        g_free (err);
        
        gnome_dialog_run_and_close (GNOME_DIALOG (dialog));
        return;
    }
    
    filter_editor = (GtkWidget *)filter_editor_new (fc, filter_source_names);
    gtk_window_set_title (GTK_WINDOW (filter_editor), _("Filters"));
    
    gtk_object_set_data_full (GTK_OBJECT (filter_editor), "context", fc, (GtkDestroyNotify)gtk_object_unref);
    gtk_signal_connect (GTK_OBJECT (filter_editor), "clicked", filter_editor_clicked, fb);
    gtk_signal_connect (GTK_OBJECT (filter_editor), "destroy", filter_editor_destroy, NULL);
    gtk_widget_show (GTK_WIDGET (filter_editor));
}

/********************** End Filter Editor ********************/

void
vfolder_edit_vfolders (BonoboUIComponent *uih, void *user_data, const char *path)
{
    vfolder_edit ();
}

void
providers_config (BonoboUIComponent *uih, void *user_data, const char *path)
{
    static MailAccountsDialog *dialog = NULL;
    
    if (!dialog) {
        dialog = mail_accounts_dialog_new ((FOLDER_BROWSER (user_data))->shell);
        gnome_dialog_run_and_close (GNOME_DIALOG (dialog));
        dialog = NULL;
    } else {
        /* FIXME: raise the dialog? */
    }
}

/*
 * FIXME: This routine could be made generic, by having a closure
 * function plus data, and having the whole process be taken care
 * of for you
 */
static void
do_mail_print (MailDisplay *md, gboolean preview)
{
    GnomePrintContext *print_context;
    GnomePrintMaster *print_master;
    GnomePrintDialog *gpd;
    GnomePrinter *printer = NULL;
    int copies = 1;
    int collate = FALSE;

    if (!preview){

        gpd = GNOME_PRINT_DIALOG (
            gnome_print_dialog_new (_("Print Message"), GNOME_PRINT_DIALOG_COPIES));
        gnome_dialog_set_default (GNOME_DIALOG (gpd), GNOME_PRINT_PRINT);

        switch (gnome_dialog_run (GNOME_DIALOG (gpd))){
        case GNOME_PRINT_PRINT:
            break;
            
        case GNOME_PRINT_PREVIEW:
            preview = TRUE;
            break;

        case -1:
            return;

        default:
            gnome_dialog_close (GNOME_DIALOG (gpd));
            return;
        }

        gnome_print_dialog_get_copies (gpd, &copies, &collate);
        printer = gnome_print_dialog_get_printer (gpd);
        gnome_dialog_close (GNOME_DIALOG (gpd));
    }

    print_master = gnome_print_master_new ();

/*  FIXME: set paper size gnome_print_master_set_paper (print_master,  */

    if (printer)
        gnome_print_master_set_printer (print_master, printer);
    gnome_print_master_set_copies (print_master, copies, collate);
    print_context = gnome_print_master_get_context (print_master);
    gtk_html_print (md->html, print_context);
    gnome_print_master_close (print_master);

    if (preview){
        gboolean landscape = FALSE;
        GnomePrintMasterPreview *preview;
        
        preview = gnome_print_master_preview_new_with_orientation (
            print_master, _("Print Preview"), landscape);
        gtk_widget_show (GTK_WIDGET (preview));
    } else {
        int result = gnome_print_master_print (print_master);

        if (result == -1){
            e_notice (NULL, GNOME_MESSAGE_BOX_ERROR,
                  _("Printing of message failed"));
        }
    }
    gtk_object_unref (GTK_OBJECT (print_master));
}

void
mail_print_preview_msg (MailDisplay *md)
{
    do_mail_print (md, TRUE);
}

void
mail_print_msg (MailDisplay *md)
{
    do_mail_print (md, FALSE);
}

void
print_msg (GtkWidget *button, gpointer user_data)
{
    FolderBrowser *fb = user_data;

    mail_print_msg (fb->mail_display);
}

void
print_preview_msg (GtkWidget *button, gpointer user_data)
{
    FolderBrowser *fb = user_data;

    mail_print_preview_msg (fb->mail_display);
}

/******************** Begin Subscription Dialog ***************************/

static GtkWidget *subscribe_dialog = NULL;

static void
subscribe_dialog_destroy (GtkWidget *widget, gpointer user_data)
{
    subscribe_dialog = NULL;
}

void
manage_subscriptions (BonoboUIComponent *uih, void *user_data, const char *path)
{
    if (!subscribe_dialog) {
        subscribe_dialog = subscribe_dialog_new ((FOLDER_BROWSER (user_data))->shell);
        gtk_signal_connect (GTK_OBJECT (subscribe_dialog), "destroy",
                    subscribe_dialog_destroy, NULL);
        
        gtk_widget_show (subscribe_dialog);
    } else {
        /* FIXME: raise the subscription dialog window... */
    }
}

/******************** End Subscription Dialog ***************************/

void
configure_folder (BonoboUIComponent *uih, void *user_data, const char *path)
{
    FolderBrowser *fb = FOLDER_BROWSER(user_data);

    mail_local_reconfigure_folder(fb);
}

static void
do_view_message (CamelFolder *folder, char *uid, CamelMimeMessage *message, void *data)
{
    FolderBrowser *fb = FOLDER_BROWSER (data);
    
    if (message && fb) {
        GtkWidget *mb;
        
        camel_folder_set_message_flags (folder, uid, CAMEL_MESSAGE_SEEN, CAMEL_MESSAGE_SEEN);
        mb = message_browser_new (fb->shell, fb->uri, uid);
        gtk_widget_show (mb);
    }
}

void
view_msg (GtkWidget *widget, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    GPtrArray *uids;
    int i;
    
    if (!fb->folder)
        return;
    
    uids = g_ptr_array_new ();
    message_list_foreach (fb->message_list, enumerate_msg, uids);

    if (uids->len > 10 && !are_you_sure (_("Are you sure you want to open all %d messages in separate windows?"), uids, fb))
        return;

    for (i = 0; i < uids->len; i++) {
        mail_get_message (fb->folder, uids->pdata [i], do_view_message, fb, mail_thread_queued);
        g_free (uids->pdata [i]);
    }
    g_ptr_array_free (uids, TRUE);
}

void
open_msg (GtkWidget *widget, gpointer user_data)
{
    FolderBrowser *fb = FOLDER_BROWSER (user_data);
    
    if (folder_browser_is_drafts (fb))
        edit_msg_internal (fb);
    else
        view_msg (NULL, user_data);
}

void
open_message (BonoboUIComponent *uih, void *user_data, const char *path)
{
    open_msg (NULL, user_data);
}

void
edit_message (BonoboUIComponent *uih, void *user_data, const char *path)
{
        edit_msg (NULL, user_data);
}

void
stop_threads (BonoboUIComponent *uih, void *user_data, const char *path)
{
    camel_operation_cancel (NULL);
}

static void
empty_trash_expunged_cb (CamelFolder *folder, void *data)
{
    camel_object_unref (CAMEL_OBJECT (folder));
}

void
empty_trash (BonoboUIComponent *uih, void *user_data, const char *path)
{
    MailConfigAccount *account;
    CamelProvider *provider;
    CamelFolder *vtrash;
    const GSList *accounts;
    CamelException *ex;
    
    ex = camel_exception_new ();
    
    /* expunge all remote stores */
    accounts = mail_config_get_accounts ();
    while (accounts) {
        account = accounts->data;
        
        /* make sure this is a valid source */
        if (account->source && account->source->url) {
            provider = camel_session_get_provider (session, account->source->url, NULL);            
            if (provider) {
                /* make sure this store is a remote store */
                if (provider->flags & CAMEL_PROVIDER_IS_STORAGE &&
                    provider->flags & CAMEL_PROVIDER_IS_REMOTE) {
                    char *url;
                    
                    url = g_strdup_printf ("vtrash:%s", account->source->url);
                    vtrash = mail_tool_uri_to_folder (url, NULL);
                    g_free (url);
                    
                    if (vtrash)
                        mail_expunge_folder (vtrash, empty_trash_expunged_cb, NULL);
                }
            }
        }
        accounts = accounts->next;
    }
    
    /* Now empty the local trash folder */
    vtrash = mail_tool_uri_to_folder ("vtrash:file:/", ex);
    if (vtrash)
        mail_expunge_folder (vtrash, empty_trash_expunged_cb, NULL);
    
    camel_exception_free (ex);
}

static void
create_folders (EvolutionStorage *storage, const char *prefix, CamelFolderInfo *fi)
{
    char *path;

    mail_folder_cache_set_update_estorage (fi->url, storage);
    mail_folder_cache_note_folderinfo (fi->url, fi);

    path = g_strdup_printf ("%s/%s", prefix, fi->name);
    evolution_storage_new_folder (storage, path, fi->name,
                      "mail", fi->url,
                      fi->name, /* description */
                      fi->unread_message_count > 0);

    if (fi->child)
        create_folders (storage, path, fi->child);
    g_free (path);
    
    if (fi->sibling)
        create_folders (storage, prefix, fi->sibling);
}

void
folder_created (CamelStore *store, const char *prefix, CamelFolderInfo *fi)
{
    EvolutionStorage *storage;
    
    if ((storage = mail_lookup_storage (store))) {
        create_folders (storage, prefix, fi);
        gtk_object_unref (GTK_OBJECT (storage));
    }
}

void
mail_storage_create_folder (EvolutionStorage *storage, CamelStore *store, CamelFolderInfo *fi)
{
    gboolean unref = FALSE;
    
    if (!storage && store) {
        storage = mail_lookup_storage (store);
        unref = TRUE;
    }
    
    if (storage) {
        if (fi)
            create_folders (storage, "", fi);
        
        if (unref)
            gtk_object_unref (GTK_OBJECT (storage));
    }
}

static void
delete_folders (EvolutionStorage *storage, CamelFolderInfo *fi)
{
    char *path;
    
    if (fi->child)
        delete_folders (storage, fi->child);
    
    path = g_strdup_printf ("/%s", fi->full_name);
    evolution_storage_removed_folder (storage, path);
    g_free (path);
    
    if (fi->sibling)
        delete_folders (storage, fi->sibling);
}

void
folder_deleted (CamelStore *store, CamelFolderInfo *fi)
{
    EvolutionStorage *storage;
    
    if ((storage = mail_lookup_storage (store))) {
        if (fi)
            delete_folders (storage, fi);
        
        gtk_object_unref (GTK_OBJECT (storage));
    }
}